OK...so I have done sooo much reading these past few weeks to be prepared for when I get back home and attempt to get my trailer module working and actually get brake lights working on the trailer. Turn signals work (as most have said in MANY posts on this subject) but no trailer brake lights!
(Yes, it is the BMW trailer Module AHMU and I did the VO add as found here online.)

I went back to the beginning and went thru everything I could find on this subject but still no joy. My concern is the "coding CIC, KOMBI... " and the AHMU is in US so do I have read them and have to "write" them back to the vehicle if they look OK?

Sooo...the big question...
Can I "-AHMU" to the VO to remove anything I may have screwed up and again start from scratch or should I continue to troubleshoot as to why my trailer control module is not playing nicely in the sandbox?

If anyone has any suggestions I am willing to try almost anything! Installed my hitch back in Feb and have had multiple attempts to get the brakes to work without any luck...

Thanks for the feedback and help
D
Nova Scotia

BTW: everything else I wanted to change worked flawlessly!

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2013 BMW X5 35i